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Novak Djokovic hits unbelievable tweener in Wimbledon clash with Denis Kulda | Tennis | Sport | Express.co.uk
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US Open Tennis on Twitter: "Some call it a tweener, others call it a hot dog. For the sake of #NationalHotDogDay, let's call it a 🌭 today... 🎥: @rogerfederer, 2009 #USOpen https://t.co/QWcDWdzCO4" /
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